Home / 20,240.57-30,362.88-6,200.43

Finding the Fourth Proportional to 20,240.57, 30,362.88 and 6,200.43

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Solution

The fourth proportional to 20,240.57, 30,362.88 and 6,200.43 is: 9,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.57 : 30,362.88 = 6,200.43 : x
  2. Step 2: Convert to fraction form
    20,240.57/30,362.88 = 6,200.43/x
  3. Step 3: Cross multiply
    20,240.57x = 30,362.88 × 6,200.43
  4. Step 4: Simplify right side
    20,240.57x = 188,262,912.04
  5. Step 5: Solve for x
    x = 188,262,912.04/20,240.57
  6. Step 6: Final answer
    x = 9,301.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.